PREF vs. QPFF

Last updated Apr 1, 2026

Compare and contrast key facts about Principal Spectrum Preferred Secs Active ETF (PREF) and American Century Quality Preferred ETF (QPFF).

PREF and QPFF are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. PREF is an actively managed fund by Principal. It was launched on Jul 10, 2017. QPFF is an actively managed fund by American Century. It was launched on Feb 16, 2021.

Performance

PREF vs. QPFF - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Principal Spectrum Preferred Secs Active ETF (PREF) and American Century Quality Preferred ETF (QPFF). The values are adjusted to include any dividend payments, if applicable.

PREF vs. QPFF - Yearly Performance Comparison

	2026 (YTD)
PREF Principal Spectrum Preferred Secs Active ETF	-0.99%
QPFF American Century Quality Preferred ETF	0.00%

Returns By Period

PREF

• 1D: 0.48%
• 1M: -1.76%
• YTD: -0.46%
• 6M: 0.91%
• 1Y: 5.77%
• 3Y*: 8.59%
• 5Y*: 3.06%
• 10Y*: —

QPFF

• 1D: 0.00%
• 1M: 0.00%
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

*Multi-year figures are annualized to reflect compound growth (CAGR)

PREF vs. QPFF - Expense Ratio Comparison

PREF has a 0.55% expense ratio, which is higher than QPFF's 0.33% expense ratio.

PREF

Principal Spectrum Preferred Secs Active ETF

QPFF

American Century Quality Preferred ETF

Return for Risk

PREF vs. QPFF — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

PREF

PREF Risk / Return Rank: 82
PREF Sharpe Ratio Rank: 85
PREF Sortino Ratio Rank: 85
PREF Omega Ratio Rank: 86
PREF Calmar Ratio Rank: 76
PREF Martin Ratio Rank: 81

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

PREF vs. QPFF - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Principal Spectrum Preferred Secs Active ETF (PREF) and American Century Quality Preferred ETF (QPFF). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

	PREF	QPFF	Difference
Sharpe ratio Return per unit of total volatility	1.69	—	—
Sortino ratio Return per unit of downside risk	2.22	—	—
Omega ratio Gain probability vs. loss probability	1.34	—	—
Calmar ratio Return relative to maximum drawdown	1.95	—	—
Martin ratio Return relative to average drawdown	8.56	—	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

Sharpe Ratios by Period

	PREF	QPFF	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.69	—	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.64	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.63	—	—

Dividends

PREF vs. QPFF - Dividend Comparison

PREF's dividend yield for the trailing twelve months is around 5.01%, while QPFF has not paid dividends to shareholders.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
PREF Principal Spectrum Preferred Secs Active ETF	5.01%	4.87%	4.65%	4.67%	4.63%	4.07%	4.35%	4.67%	5.49%	2.35%
QPFF American Century Quality Preferred ETF	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Drawdowns

PREF vs. QPFF - Drawdown Comparison

The maximum PREF drawdown since its inception was -22.99%, which is greater than QPFF's maximum drawdown of 0.00%. Use the drawdown chart below to compare losses from any high point for PREF and QPFF.

Drawdown Indicators

	PREF	QPFF	Difference
Max Drawdown Largest peak-to-trough decline	-22.99%	0.00%	-22.99%
Max Drawdown (1Y) Largest decline over 1 year	-2.88%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-16.99%	—	—
Current Drawdown Current decline from peak	-1.96%	0.00%	-1.96%
Average Drawdown Average peak-to-trough decline	-3.73%	0.00%	-3.73%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.66%	—	—

Volatility

Volatility by Period

	PREF	QPFF	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.73%	—	—
Volatility (6M) Calculated over the trailing 6-month period	2.49%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	3.44%	0.00%	+3.44%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	4.84%	0.00%	+4.84%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	6.35%	0.00%	+6.35%